Larsen & Toubro Limited Quality Engineer Interview Questions, Process, and Tips

Q1. Intro yourself in simple way
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Q1. Why should I hire u
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Q1. Drawing reading ,technical round
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Q1. What is the humidity level during the cement consistency test?
Ans. 
The humidity level during the cement consistency test should be maintained at around 50-70%.
• Ideal humidity level for cement consistency test is 50-70%

• High humidity can lead to faster setting time of cement

• Low humidity can lead to longer setting time of cement
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Q2. What aspects should be checked before casting a pier?
Ans. 
Before casting a pier, aspects such as design specifications, material quality, formwork, reinforcement, and curing process should be checked.
• Check design specifications to ensure the pier meets structural requirements

• Verify the quality of materials used for casting the pier

• Inspect the formwork to ensure it is properly constructed and aligned

• Check the reinforcement placement and spacing for adequate strength

• Ensure prop...read more
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Q3. What is the code for concrete mix design?
Ans. 
The code for concrete mix design is typically specified by the project engineer or architect based on the requirements of the project.
• The code for concrete mix design can vary depending on the project specifications and requirements.

• Common codes used for concrete mix design include ACI 211, ASTM C94, and BS 8500.

• The code will specify the required proportions of cement, aggregates, water, and admixtures for the concrete...read more
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Q4. Can you explain the process of constructing a cast pier?
Ans. 
Constructing a cast pier involves preparing the site, setting up formwork, pouring concrete, and curing the pier.
• Prepare the site by clearing the area and ensuring proper soil compaction.

• Set up formwork to shape the pier and hold the concrete in place during pouring.

• Pour concrete into the formwork, making sure it is properly mixed and compacted.

• Allow the concrete to cure and gain strength before removing the formwork.

• I...read more
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Q5. What is the aggregate abrasion value, and what is the process for determining it?
Ans. 
Aggregate abrasion value is a measure of the resistance of aggregate to wear by abrasion.
• Aggregate abrasion value is determined by subjecting the aggregate sample to abrasion in a rotating steel drum containing a specified number of steel spheres or rods.

• The sample is then removed from the drum and sieved to determine the weight of the material passing through a specified sieve size.

• The aggregate abrasion value is calc...read more
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Q6. Which concrete grade are you using in your project for the pier, pile, and pile cap?
Ans. 
We are using concrete grade M30 for the pier, pile, and pile cap in our project.
• Concrete grade M30 is commonly used for structures like piers, piles, and pile caps due to its high strength and durability.

• It is important to use the correct concrete grade to ensure the structural integrity and longevity of the project.

• Examples of other concrete grades commonly used in construction include M20, M25, and M40.
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Q1. What is the Specific gravity of the aggregate.
Ans. 
Specific gravity of aggregate is the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water.
• Specific gravity is a unitless value that indicates the density of a material compared to the density of water.

• It is typically measured by filling a container with a known volume of aggregate and weighing it, then dividing by the weight of an equal volume of water.

• The specific gravity of agg...read more
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Q2. Civil related and testing procedures of construction materials.
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Q1. About to civil engineering lab
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Q2. Quality of cement, aggregate,& sand.
Ans. 
Quality of cement, aggregate, and sand is crucial for the strength and durability of concrete.
• Cement should have a consistent fineness and chemical composition.

• Aggregate should be clean, hard, and free from organic matter.

• Sand should be well-graded and free from impurities.

• Proper testing and quality control measures should be in place to ensure the quality of materials.

• The quality of these materials directly affects th...read more
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Aptitude test were conducted of 60marks

Q1. Introduction about yourself?
Ans. 
I am a Quality Engineer with experience in ensuring product quality and implementing quality control processes.
• Experienced Quality Engineer

• Skilled in implementing quality control processes

• Proficient in conducting product quality inspections

• Strong knowledge of quality standards and regulations

• Effective problem-solving and analytical skills

• Excellent communication and teamwork abilities
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Q2. Discussed about future growth?
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Q3. Technical knowledge about the field?
Ans. 
A Quality Engineer should have technical knowledge about the field to ensure quality standards are met.
• Understanding of quality control and assurance processes

• Knowledge of statistical analysis and data interpretation

• Familiarity with industry standards and regulations

• Ability to use quality tools and techniques such as Six Sigma and Lean Manufacturing

• Experience with quality management systems such as ISO 9001

• Understandin...read more
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